Class: Splam::Rules::Fuzz

Inherits:
Splam::Rule show all
Defined in:
lib/splam/rules/fuzz.rb

Class Attribute Summary collapse

Attributes inherited from Splam::Rule

#body, #reasons, #score, #suite, #weight

Instance Method Summary collapse

Methods inherited from Splam::Rule

#add_score, inherited, #initialize, #line_safe?, #name, run

Constructor Details

This class inherits a constructor from Splam::Rule

Class Attribute Details

.bad_word_score ⇒ Object

Returns the value of attribute bad_word_score.



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# File 'lib/splam/rules/fuzz.rb', line 3

def bad_word_score
  @bad_word_score
end

Instance Method Details

#run ⇒ Object 



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# File 'lib/splam/rules/fuzz.rb', line 8

def run
  patterns = [/^(\d[a-z])/, /(\d[a-z][A-Z]\w+)/, /(\b\w+\d\.txt)/, /(;\d+;)/ ]
  ignore_if = [%r{vendor/rails}, /EXC_BAD_ACCESS/, /JavaAppLauncher/, %r{Contents/MacOS}, %r{/Library/}]
  matches = 0
  # looks like a stack trace
  ignore_if.each do |pattern|
    return if @body.scan(pattern)
  end
  patterns.each do |pattern|
    results = @body.scan(pattern)
    if results && results.size > 0
      add_score((self.class.bad_word_score * results.size), "bad pattern match: '#{$1}'")
    end
    matches += results.size
  end
  add_score matches.size ** 4, "Aggregate number of bad patterns was #{matches}." if matches > 1
end